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Diffstat (limited to 'src/engine/SCons/Warnings.py')
-rw-r--r-- | src/engine/SCons/Warnings.py | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/engine/SCons/Warnings.py b/src/engine/SCons/Warnings.py new file mode 100644 index 0000000..5ba3aec --- /dev/null +++ b/src/engine/SCons/Warnings.py @@ -0,0 +1,81 @@ +# +# Copyright (c) 2001, 2002 Steven Knight +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# + +"""SCons.Warnings + +This file implements the warnings framework for SCons. + +""" + +__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__" + +import sys +import copy +import traceback + +import SCons.Errors + +class Warning(SCons.Errors.UserError): + pass + +class DeprecatedWarning(Warning): + pass + +class DependencyWarning(Warning): + pass + +_warningAsException = 0 + +# The below is a list of 2-tuples. The first element is a class object. +# The second element is true if that class is enabled, false if it is disabled. +_enabled = [] + +_warningOut = None + +def suppressWarningClass(clazz): + """Suppresses all warnings that are of type clazz or + derived from clazz.""" + _enabled.insert(0, (clazz, 0)) + +def enableWarningClass(clazz): + """Suppresses all warnings that are of type clazz or + derived from clazz.""" + _enabled.insert(0, (clazz, 1)) + +def warningAsException(flag=1): + global _warningAsException + _warningAsException = flag + +def warn(clazz, *args): + global _enabled, _warningAsException, _warningOut + + warning = clazz(args) + for clazz, flag in _enabled: + if isinstance(warning, clazz): + if flag: + if _warningAsException: + raise warning + + if _warningOut: + _warningOut(warning) + break |